Modern Refrigeration Chapters 30 thru 35

Front

A handheld HEPA vacuum is an example of a(n)__tool.

Back

cleaning

Front

The pressure drop across an air filter can be measured with a(n)__.

Back

manometer

Front

When blower door testing, initials used to indicate the reference to which a pressure reading is being compared are__.

Back

ACH

Front

A simple method of balancing airflow is to adjust the__ until all rooms have the desired temperature.

Back

dampers

Front

An instrument used to measure all airflow through a central HVAC system is a(n)__.

Back

flow hood

Front

An instrument used to direct and calculate all of the airflow through a duct at a given supply or return is a(n)__.

Back

flow hood

Front

A high-pitched sound in an air distribution system is usually caused by__.

Back

air velocity that is too low

Front

If a refrigerator will not start and the interior light does not come on when the door is opened, what is the most likely cause of the problem?

Back

sharp edges in the grille

Front

Roof and wall penetrations shall be flashed and sealed to prevent entry of _.

Back

carriers

Front

Odors can be removed from indoor air by: combining them with other chemicals, using activated charcoal to adsorb them, oxidation and ultraviolet ray treatment.

Back

All of the above.